21752809880

素因数分解:

$2^3\times 5^1\times {\mathrm{543820247}}^1$

素因数の和:543820258

約数の個数: 16

約数和(自身を含む): 48943822320

約数和(自身を除く): 27191012440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 543820247, 1087640494, 2175280988, 2719101235, 4350561976, 5438202470, 10876404940, 21752809880]

約数ペア:

[(1, 21752809880), (2, 10876404940), (4, 5438202470), (5, 4350561976), (8, 2719101235), (10, 2175280988), (20, 1087640494), (40, 543820247)]